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Diffstat (limited to 'src/cpu/kernels/scale/neon/integer.cpp')
-rw-r--r-- | src/cpu/kernels/scale/neon/integer.cpp | 783 |
1 files changed, 783 insertions, 0 deletions
diff --git a/src/cpu/kernels/scale/neon/integer.cpp b/src/cpu/kernels/scale/neon/integer.cpp new file mode 100644 index 0000000000..bbf92e0412 --- /dev/null +++ b/src/cpu/kernels/scale/neon/integer.cpp @@ -0,0 +1,783 @@ +/* + * Copyright (c) 2021-2022 Arm Limited. + * + * SPDX-License-Identifier: MIT + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to + * deal in the Software without restriction, including without limitation the + * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or + * sell copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ +#include "arm_compute/core/Helpers.h" + +#include "src/core/helpers/ScaleHelpers.h" +#include "src/core/NEON/wrapper/wrapper.h" +#include "src/core/utils/ScaleUtils.h" +#include "support/Rounding.h" + +#include <arm_neon.h> + +namespace arm_compute +{ +namespace +{ +void u8_neon_scale_nearest(const ITensor *src, + ITensor *dst, + const ITensor *offsets, + float sampling_offset, + bool align_corners, + const Window &window) +{ + const size_t in_stride_c = src->info()->dimension(0) + src->info()->padding().left + src->info()->padding().right; + const size_t in_stride_w = src->info()->dimension(1) + src->info()->padding().top + src->info()->padding().bottom; + const size_t in_stride_wc = in_stride_w * in_stride_c; + const size_t in_dim_h = src->info()->dimension(2); + + // Compute the ratio between source height and destination height + const auto hr = scale_utils::calculate_resize_ratio(in_dim_h, dst->info()->dimension(2), align_corners); + const auto window_start_x = static_cast<int32_t>(window.x().start()); + const auto window_end_x = static_cast<int32_t>(window.x().end()); + const int window_step_x = 16; + + Window win(window); + win.set(Window::DimX, Window::Dimension(0, 1, 1)); + Iterator out(dst, win); + + const uint8_t *in_ptr_start = src->buffer() + src->info()->offset_first_element_in_bytes(); + const unsigned int in_stride_bytes_hwc = src->info()->strides_in_bytes()[3]; + + execute_window_loop( + win, + [&](const Coordinates &id) + { + const int32_t offset = + *reinterpret_cast<const int32_t *>(offsets->ptr_to_element(Coordinates(id.y(), id.z()))) * in_stride_c; + const auto in_hi = static_cast<int>( + align_corners ? utils::rounding::round_half_away_from_zero((id.z() + sampling_offset) * hr) + : std::floor((id.z() + sampling_offset) * hr)); + const int offset_row = in_hi * in_stride_wc; + int32_t x = window_start_x; + const uint8_t *in_ptr = reinterpret_cast<const uint8_t *>(in_ptr_start + in_stride_bytes_hwc * id[3]); + + for (; x <= window_end_x - window_step_x; x += window_step_x) + { + wrapper::vstore(reinterpret_cast<uint8_t *>(out.ptr()) + x, + wrapper::vloadq(in_ptr + offset + offset_row + x)); + } + for (; x < window_end_x; ++x) + { + *(reinterpret_cast<uint8_t *>(out.ptr()) + x) = *(in_ptr + offset + offset_row + x); + } + }, + out); +} + +void u8_neon_scale_bilinear(const ITensor *src, + ITensor *dst, + const ITensor *offsets, + const ITensor *dx, + const ITensor *dy, + BorderMode border_mode, + PixelValue constant_border_value, + float sampling_offset, + bool align_corners, + const Window &window) +{ + // Compute the ratio between source and destination dimensions + const float scale_x = + scale_utils::calculate_resize_ratio(src->info()->dimension(1), dst->info()->dimension(1), align_corners); + const float scale_y = + scale_utils::calculate_resize_ratio(src->info()->dimension(2), dst->info()->dimension(2), align_corners); + + const int input_width = src->info()->dimension(1); + const int input_height = src->info()->dimension(2); + + if (border_mode == BorderMode::CONSTANT) + { + Iterator out(dst, window); + const int in_stride_c = src->info()->dimension(0) + src->info()->padding().left + src->info()->padding().right; + const int in_stride_wc = + in_stride_c * (input_width + src->info()->padding().top + src->info()->padding().bottom); + + // Don't increment in Y and Z direction for the input tensor + // A pointer to the start of this plane is needed as base for the precomputed offsets + Window win_in(window); + win_in.set(Window::DimY, Window::Dimension(0, 0, 0)); + win_in.set(Window::DimZ, Window::Dimension(0, 0, 0)); + Iterator in(src, win_in); + + const uint8_t const_border_value = static_cast<uint8_t>(constant_border_value.get<uint8_t>()); + execute_window_loop( + window, + [&](const Coordinates &id) + { + const auto offset = + *reinterpret_cast<const int32_t *>(offsets->ptr_to_element(Coordinates(id.y(), id.z()))); + const auto dx_val = *reinterpret_cast<const float *>(dx->ptr_to_element(Coordinates(id.y(), id.z()))); + const auto dy_val = *reinterpret_cast<const float *>(dy->ptr_to_element(Coordinates(id.y(), id.z()))); + const int32_t in_hi = std::floor((id.z() + sampling_offset) * scale_y - sampling_offset); + const uint8_t *in_ptr = + reinterpret_cast<const uint8_t *>(in.ptr()) + offset * in_stride_c + in_hi * in_stride_wc; + + const auto a00 = (0 <= offset && offset < input_width && 0 <= in_hi && in_hi < input_height) + ? *in_ptr + : const_border_value; + const auto a01 = (-1 <= offset && offset < input_width - 1 && 0 <= in_hi && in_hi < input_height) + ? *(in_ptr + in_stride_c) + : const_border_value; + const auto a10 = (0 <= offset && offset < input_width && -1 <= in_hi && in_hi < input_height - 1) + ? *(in_ptr + in_stride_wc) + : const_border_value; + const auto a11 = (-1 <= offset && offset < input_width - 1 && -1 <= in_hi && in_hi < input_height - 1) + ? *(in_ptr + in_stride_c + in_stride_wc) + : const_border_value; + + *reinterpret_cast<uint8_t *>(out.ptr()) = + static_cast<uint8_t>(scale_helpers::delta_bilinear(a00, a01, a10, a11, dx_val, dy_val)); + }, + in, out); + } + else if (border_mode == BorderMode::REPLICATE) + { + using ExactTagType = typename wrapper::traits::neon_bitvector_tag_t<float, wrapper::traits::BitWidth::W128>; + + const int in_stride_x = src->info()->strides_in_bytes()[1]; + const int in_stride_y = src->info()->strides_in_bytes()[2]; + const int in_stride_b = src->info()->strides_in_bytes()[3]; + const int out_stride_x = dst->info()->strides_in_bytes()[1]; + const int out_stride_y = dst->info()->strides_in_bytes()[2]; + const int out_stride_b = dst->info()->strides_in_bytes()[3]; + + const int out_dim_ch = dst->info()->dimension(0); + constexpr int step_cout = 16; + + Window window_execution = window; + window_execution.set(Window::DimX, Window::Dimension(0, 1, 1)); + Window win_in_out(window); + win_in_out.set(Window::DimY, Window::Dimension(0, 0, 0)); + win_in_out.set(Window::DimZ, Window::Dimension(0, 0, 0)); + Iterator in(src, win_in_out); + Iterator out(dst, win_in_out); + + const int xo_start = window_execution[1].start(); + const int xo_end = window_execution[1].end(); + const int xo_step = window_execution[1].step(); + const int yo_start = window_execution[2].start(); + const int yo_end = window_execution[2].end(); + const int yo_step = window_execution[2].step(); + const int bo_start = window_execution[3].start(); + const int bo_end = window_execution[3].end(); + const int bo_step = window_execution[3].step(); + + const float fp_coord_offset_y = sampling_offset * (scale_y - 1); + const float fp_coord_offset_x = sampling_offset * (scale_x - 1); + + for (int bo = bo_start; bo < bo_end; bo += bo_step) + { + const uint8_t *in_ptr = in.ptr() + bo * in_stride_b; + uint8_t *out_ptr = out.ptr() + bo * out_stride_b; + + for (int yo = yo_start; yo < yo_end; yo += yo_step) + { + // Floating-point coordinate + const float yi_f = yo * scale_y + fp_coord_offset_y; + // Integer coordinate + const int yi = static_cast<int>(std::floor(yi_f)); + // Weight for the y coordinate + const float a1 = (yi_f - static_cast<float>(yi)); + const float b1 = (1.f - a1); + + const int yi0 = utility::clamp<int>(yi, 0, input_height - 1); + const int yi1 = utility::clamp<int>(yi + 1, 0, input_height - 1); + + const uint8_t *in_ptr_yi0 = in_ptr + yi0 * in_stride_y; + const uint8_t *in_ptr_yi1 = in_ptr + yi1 * in_stride_y; + + uint8_t *out_ptr_yo = out_ptr + yo * out_stride_y; + for (int xo = xo_start; xo < xo_end; xo += xo_step) + { + // Floating-point coordinate + const float xi_f = xo * scale_x + fp_coord_offset_x; + // Integer coordinate + const int xi = static_cast<int>(std::floor(xi_f)); + // Weight for the x coordinate + const float a = (xi_f - static_cast<float>(xi)); + const float b = (1.f - a); + + const float s00_s = b * b1; + const float s01_s = a * b1; + const float s10_s = b * a1; + const float s11_s = a * a1; + + const auto s00 = wrapper::vdup_n(s00_s, ExactTagType{}); + const auto s01 = wrapper::vdup_n(s01_s, ExactTagType{}); + const auto s10 = wrapper::vdup_n(s10_s, ExactTagType{}); + const auto s11 = wrapper::vdup_n(s11_s, ExactTagType{}); + + const int xi0 = utility::clamp<int>(xi, 0, input_width - 1); + const int xi1 = utility::clamp<int>(xi + 1, 0, input_width - 1); + + const auto in_ptr_xi0_yi0 = in_ptr_yi0 + xi0 * in_stride_x; + const auto in_ptr_xi1_yi0 = in_ptr_yi0 + xi1 * in_stride_x; + const auto in_ptr_xi0_yi1 = in_ptr_yi1 + xi0 * in_stride_x; + const auto in_ptr_xi1_yi1 = in_ptr_yi1 + xi1 * in_stride_x; + + uint8_t *out_ptr_xo_yo = out_ptr_yo + xo * out_stride_x; + + int cout = 0; + for (; cout <= (out_dim_ch - step_cout); cout += step_cout) + { + const auto in00 = wrapper::vloadq(in_ptr_xi0_yi0 + cout * sizeof(uint8_t)); + const auto in01 = wrapper::vloadq(in_ptr_xi1_yi0 + cout * sizeof(uint8_t)); + const auto in10 = wrapper::vloadq(in_ptr_xi0_yi1 + cout * sizeof(uint8_t)); + const auto in11 = wrapper::vloadq(in_ptr_xi1_yi1 + cout * sizeof(uint8_t)); + + const uint16x8_t in00_low = wrapper::vmovl(wrapper::vgetlow(in00)); + const uint16x8_t in00_high = wrapper::vmovl(wrapper::vgethigh(in00)); + + const auto in00_0 = wrapper::vcvt<float>(wrapper::vmovl(wrapper::vgetlow(in00_low))); + const auto in00_1 = wrapper::vcvt<float>(wrapper::vmovl(wrapper::vgethigh(in00_low))); + const auto in00_2 = wrapper::vcvt<float>(wrapper::vmovl(wrapper::vgetlow(in00_high))); + const auto in00_3 = wrapper::vcvt<float>(wrapper::vmovl(wrapper::vgethigh(in00_high))); + + const uint16x8_t in01_low = wrapper::vmovl(wrapper::vgetlow(in01)); + const uint16x8_t in01_high = wrapper::vmovl(wrapper::vgethigh(in01)); + + const auto in01_0 = wrapper::vcvt<float>(wrapper::vmovl(wrapper::vgetlow(in01_low))); + const auto in01_1 = wrapper::vcvt<float>(wrapper::vmovl(wrapper::vgethigh(in01_low))); + const auto in01_2 = wrapper::vcvt<float>(wrapper::vmovl(wrapper::vgetlow(in01_high))); + const auto in01_3 = wrapper::vcvt<float>(wrapper::vmovl(wrapper::vgethigh(in01_high))); + + const uint16x8_t in10_low = wrapper::vmovl(wrapper::vgetlow(in10)); + const uint16x8_t in10_high = wrapper::vmovl(wrapper::vgethigh(in10)); + + const auto in10_0 = wrapper::vcvt<float>(wrapper::vmovl(wrapper::vgetlow(in10_low))); + const auto in10_1 = wrapper::vcvt<float>(wrapper::vmovl(wrapper::vgethigh(in10_low))); + const auto in10_2 = wrapper::vcvt<float>(wrapper::vmovl(wrapper::vgetlow(in10_high))); + const auto in10_3 = wrapper::vcvt<float>(wrapper::vmovl(wrapper::vgethigh(in10_high))); + + const uint16x8_t in11_low = wrapper::vmovl(wrapper::vgetlow(in11)); + const uint16x8_t in11_high = wrapper::vmovl(wrapper::vgethigh(in11)); + + const auto in11_0 = wrapper::vcvt<float>(wrapper::vmovl(wrapper::vgetlow(in11_low))); + const auto in11_1 = wrapper::vcvt<float>(wrapper::vmovl(wrapper::vgethigh(in11_low))); + const auto in11_2 = wrapper::vcvt<float>(wrapper::vmovl(wrapper::vgetlow(in11_high))); + const auto in11_3 = wrapper::vcvt<float>(wrapper::vmovl(wrapper::vgethigh(in11_high))); + + auto out_0 = wrapper::vmul(in00_0, s00); + out_0 = wrapper::vmla(out_0, in01_0, s01); + out_0 = wrapper::vmla(out_0, in10_0, s10); + out_0 = wrapper::vmla(out_0, in11_0, s11); + + auto out_1 = wrapper::vmul(in00_1, s00); + out_1 = wrapper::vmla(out_1, in01_1, s01); + out_1 = wrapper::vmla(out_1, in10_1, s10); + out_1 = wrapper::vmla(out_1, in11_1, s11); + + auto out_2 = wrapper::vmul(in00_2, s00); + out_2 = wrapper::vmla(out_2, in01_2, s01); + out_2 = wrapper::vmla(out_2, in10_2, s10); + out_2 = wrapper::vmla(out_2, in11_2, s11); + + auto out_3 = wrapper::vmul(in00_3, s00); + out_3 = wrapper::vmla(out_3, in01_3, s01); + out_3 = wrapper::vmla(out_3, in10_3, s10); + out_3 = wrapper::vmla(out_3, in11_3, s11); + +#if defined(__aarch64__) && !defined(BARE_METAL) + const auto out_0_int = wrapper::vcvta<uint32_t>(out_0); + const auto out_1_int = wrapper::vcvta<uint32_t>(out_1); + const auto out_2_int = wrapper::vcvta<uint32_t>(out_2); + const auto out_3_int = wrapper::vcvta<uint32_t>(out_3); +#else // defined(__aarch64__) && !defined(BARE_METAL) + const auto out_0_int = wrapper::vcvt<uint32_t>(out_0); + const auto out_1_int = wrapper::vcvt<uint32_t>(out_1); + const auto out_2_int = wrapper::vcvt<uint32_t>(out_2); + const auto out_3_int = wrapper::vcvt<uint32_t>(out_3); +#endif // defined(__aarch64__) && !defined(BARE_METAL) + const auto low_part = + wrapper::vqmovn(wrapper::vcombine(wrapper::vqmovn(out_0_int), wrapper::vqmovn(out_1_int))); + const auto high_part = + wrapper::vqmovn(wrapper::vcombine(wrapper::vqmovn(out_2_int), wrapper::vqmovn(out_3_int))); + const auto out = wrapper::vcombine(low_part, high_part); + + wrapper::vstore(out_ptr_xo_yo + cout * sizeof(uint8_t), out); + } + + for (; cout < out_dim_ch; ++cout) + { + const uint8_t in00 = *(in_ptr_xi0_yi0 + cout * sizeof(uint8_t)); + const uint8_t in01 = *(in_ptr_xi1_yi0 + cout * sizeof(uint8_t)); + const uint8_t in10 = *(in_ptr_xi0_yi1 + cout * sizeof(uint8_t)); + const uint8_t in11 = *(in_ptr_xi1_yi1 + cout * sizeof(uint8_t)); + + float out0 = in00 * s00_s; + out0 += in01 * s01_s; + out0 += in10 * s10_s; + out0 += in11 * s11_s; + + // Rounding modes of vector and scalar loops should match +#if defined(__aarch64__) && !defined(BARE_METAL) + *(out_ptr_xo_yo + cout * sizeof(uint8_t)) = static_cast<uint8_t>(std::round(out0)); +#else // defined(__aarch64__) && !defined(BARE_METAL) + *(out_ptr_xo_yo + cout * sizeof(uint8_t)) = static_cast<uint8_t>(out0); +#endif // defined(__aarch64__) && !defined(BARE_METAL) + } + } + } + } + } + else + { + ARM_COMPUTE_ERROR("Not implemented"); + } +} + +void s8_neon_scale_bilinear(const ITensor *src, + ITensor *dst, + const ITensor *offsets, + const ITensor *dx, + const ITensor *dy, + BorderMode border_mode, + PixelValue constant_border_value, + float sampling_offset, + bool align_corners, + const Window &window) +{ + ARM_COMPUTE_UNUSED(dx, dy, offsets, constant_border_value); + if (border_mode == BorderMode::REPLICATE) + { + using ExactTagType = typename wrapper::traits::neon_bitvector_tag_t<float, wrapper::traits::BitWidth::W128>; + + // Compute the ratio between source and destination dimensions + const float scale_x = + scale_utils::calculate_resize_ratio(src->info()->dimension(1), dst->info()->dimension(1), align_corners); + const float scale_y = + scale_utils::calculate_resize_ratio(src->info()->dimension(2), dst->info()->dimension(2), align_corners); + + const int in_stride_x = src->info()->strides_in_bytes()[1]; + const int in_stride_y = src->info()->strides_in_bytes()[2]; + const int in_stride_b = src->info()->strides_in_bytes()[3]; + const int out_stride_x = dst->info()->strides_in_bytes()[1]; + const int out_stride_y = dst->info()->strides_in_bytes()[2]; + const int out_stride_b = dst->info()->strides_in_bytes()[3]; + const int input_width = src->info()->dimension(1); + const int input_height = src->info()->dimension(2); + const int out_dim_ch = dst->info()->dimension(0); + constexpr int step_cout = 16; + + Window window_execution = window; + window_execution.set(Window::DimX, Window::Dimension(0, 1, 1)); + Window win_in_out(window); + win_in_out.set(Window::DimY, Window::Dimension(0, 0, 0)); + win_in_out.set(Window::DimZ, Window::Dimension(0, 0, 0)); + Iterator in(src, win_in_out); + Iterator out(dst, win_in_out); + + const int xo_start = window_execution[1].start(); + const int xo_end = window_execution[1].end(); + const int xo_step = window_execution[1].step(); + const int yo_start = window_execution[2].start(); + const int yo_end = window_execution[2].end(); + const int yo_step = window_execution[2].step(); + const int bo_start = window_execution[3].start(); + const int bo_end = window_execution[3].end(); + const int bo_step = window_execution[3].step(); + + const float fp_coord_offset_y = sampling_offset * (scale_y - 1); + const float fp_coord_offset_x = sampling_offset * (scale_x - 1); + + for (int bo = bo_start; bo < bo_end; bo += bo_step) + { + const int8_t *in_ptr = reinterpret_cast<int8_t *>(in.ptr() + bo * in_stride_b); + int8_t *out_ptr = reinterpret_cast<int8_t *>(out.ptr() + bo * out_stride_b); + + for (int yo = yo_start; yo < yo_end; yo += yo_step) + { + // Floating-point coordinate + const float yi_f = yo * scale_y + fp_coord_offset_y; + // Integer coordinate + const int yi = static_cast<int>(std::floor(yi_f)); + // Weight for the y coordinate + const float a1 = (yi_f - static_cast<float>(yi)); + const float b1 = (1.f - a1); + + const int yi0 = utility::clamp<int>(yi, 0, input_height - 1); + const int yi1 = utility::clamp<int>(yi + 1, 0, input_height - 1); + + const int8_t *in_ptr_yi0 = in_ptr + yi0 * in_stride_y; + const int8_t *in_ptr_yi1 = in_ptr + yi1 * in_stride_y; + + int8_t *out_ptr_yo = out_ptr + yo * out_stride_y; + for (int xo = xo_start; xo < xo_end; xo += xo_step) + { + // Floating-point coordinate + const float xi_f = xo * scale_x + fp_coord_offset_x; + // Integer coordinate + const int xi = static_cast<int>(std::floor(xi_f)); + // Weight for the x coordinate + const float a = (xi_f - static_cast<float>(xi)); + const float b = (1.f - a); + + const float s00_s = b * b1; + const float s01_s = a * b1; + const float s10_s = b * a1; + const float s11_s = a * a1; + + const auto s00 = wrapper::vdup_n(s00_s, ExactTagType{}); + const auto s01 = wrapper::vdup_n(s01_s, ExactTagType{}); + const auto s10 = wrapper::vdup_n(s10_s, ExactTagType{}); + const auto s11 = wrapper::vdup_n(s11_s, ExactTagType{}); + + const int xi0 = utility::clamp<int>(xi, 0, input_width - 1); + const int xi1 = utility::clamp<int>(xi + 1, 0, input_width - 1); + + const auto in_ptr_xi0_yi0 = in_ptr_yi0 + xi0 * in_stride_x; + const auto in_ptr_xi1_yi0 = in_ptr_yi0 + xi1 * in_stride_x; + const auto in_ptr_xi0_yi1 = in_ptr_yi1 + xi0 * in_stride_x; + const auto in_ptr_xi1_yi1 = in_ptr_yi1 + xi1 * in_stride_x; + + int8_t *out_ptr_xo_yo = out_ptr_yo + xo * out_stride_x; + + int cout = 0; + for (; cout <= (out_dim_ch - step_cout); cout += step_cout) + { + const auto in00 = wrapper::vloadq(in_ptr_xi0_yi0 + cout * sizeof(int8_t)); + const auto in01 = wrapper::vloadq(in_ptr_xi1_yi0 + cout * sizeof(int8_t)); + const auto in10 = wrapper::vloadq(in_ptr_xi0_yi1 + cout * sizeof(int8_t)); + const auto in11 = wrapper::vloadq(in_ptr_xi1_yi1 + cout * sizeof(int8_t)); + + const int16x8_t in00_low = wrapper::vmovl(wrapper::vgetlow(in00)); + const int16x8_t in00_high = wrapper::vmovl(wrapper::vgethigh(in00)); + + const auto in00_0 = wrapper::vcvt<float>(wrapper::vmovl(wrapper::vgetlow(in00_low))); + const auto in00_1 = wrapper::vcvt<float>(wrapper::vmovl(wrapper::vgethigh(in00_low))); + const auto in00_2 = wrapper::vcvt<float>(wrapper::vmovl(wrapper::vgetlow(in00_high))); + const auto in00_3 = wrapper::vcvt<float>(wrapper::vmovl(wrapper::vgethigh(in00_high))); + + const int16x8_t in01_low = wrapper::vmovl(wrapper::vgetlow(in01)); + const int16x8_t in01_high = wrapper::vmovl(wrapper::vgethigh(in01)); + + const auto in01_0 = wrapper::vcvt<float>(wrapper::vmovl(wrapper::vgetlow(in01_low))); + const auto in01_1 = wrapper::vcvt<float>(wrapper::vmovl(wrapper::vgethigh(in01_low))); + const auto in01_2 = wrapper::vcvt<float>(wrapper::vmovl(wrapper::vgetlow(in01_high))); + const auto in01_3 = wrapper::vcvt<float>(wrapper::vmovl(wrapper::vgethigh(in01_high))); + + const int16x8_t in10_low = wrapper::vmovl(wrapper::vgetlow(in10)); + const int16x8_t in10_high = wrapper::vmovl(wrapper::vgethigh(in10)); + + const auto in10_0 = wrapper::vcvt<float>(wrapper::vmovl(wrapper::vgetlow(in10_low))); + const auto in10_1 = wrapper::vcvt<float>(wrapper::vmovl(wrapper::vgethigh(in10_low))); + const auto in10_2 = wrapper::vcvt<float>(wrapper::vmovl(wrapper::vgetlow(in10_high))); + const auto in10_3 = wrapper::vcvt<float>(wrapper::vmovl(wrapper::vgethigh(in10_high))); + + const int16x8_t in11_low = wrapper::vmovl(wrapper::vgetlow(in11)); + const int16x8_t in11_high = wrapper::vmovl(wrapper::vgethigh(in11)); + + const auto in11_0 = wrapper::vcvt<float>(wrapper::vmovl(wrapper::vgetlow(in11_low))); + const auto in11_1 = wrapper::vcvt<float>(wrapper::vmovl(wrapper::vgethigh(in11_low))); + const auto in11_2 = wrapper::vcvt<float>(wrapper::vmovl(wrapper::vgetlow(in11_high))); + const auto in11_3 = wrapper::vcvt<float>(wrapper::vmovl(wrapper::vgethigh(in11_high))); + + auto out_0 = wrapper::vmul(in00_0, s00); + out_0 = wrapper::vmla(out_0, in01_0, s01); + out_0 = wrapper::vmla(out_0, in10_0, s10); + out_0 = wrapper::vmla(out_0, in11_0, s11); + + auto out_1 = wrapper::vmul(in00_1, s00); + out_1 = wrapper::vmla(out_1, in01_1, s01); + out_1 = wrapper::vmla(out_1, in10_1, s10); + out_1 = wrapper::vmla(out_1, in11_1, s11); + + auto out_2 = wrapper::vmul(in00_2, s00); + out_2 = wrapper::vmla(out_2, in01_2, s01); + out_2 = wrapper::vmla(out_2, in10_2, s10); + out_2 = wrapper::vmla(out_2, in11_2, s11); + + auto out_3 = wrapper::vmul(in00_3, s00); + out_3 = wrapper::vmla(out_3, in01_3, s01); + out_3 = wrapper::vmla(out_3, in10_3, s10); + out_3 = wrapper::vmla(out_3, in11_3, s11); + +#if defined(__aarch64__) && !defined(BARE_METAL) + const auto out_0_int = wrapper::vcvta<int32_t>(out_0); + const auto out_1_int = wrapper::vcvta<int32_t>(out_1); + const auto out_2_int = wrapper::vcvta<int32_t>(out_2); + const auto out_3_int = wrapper::vcvta<int32_t>(out_3); +#else // defined(__aarch64__) && !defined(BARE_METAL) + const auto out_0_int = wrapper::vcvt<int32_t>(out_0); + const auto out_1_int = wrapper::vcvt<int32_t>(out_1); + const auto out_2_int = wrapper::vcvt<int32_t>(out_2); + const auto out_3_int = wrapper::vcvt<int32_t>(out_3); +#endif // defined(__aarch64__) && !defined(BARE_METAL) + const auto low_part = + wrapper::vqmovn(wrapper::vcombine(wrapper::vqmovn(out_0_int), wrapper::vqmovn(out_1_int))); + const auto high_part = + wrapper::vqmovn(wrapper::vcombine(wrapper::vqmovn(out_2_int), wrapper::vqmovn(out_3_int))); + const auto out = wrapper::vcombine(low_part, high_part); + + wrapper::vstore(out_ptr_xo_yo + cout * sizeof(int8_t), out); + } + + for (; cout < out_dim_ch; ++cout) + { + const int8_t in00 = *(in_ptr_xi0_yi0 + cout * sizeof(int8_t)); + const int8_t in01 = *(in_ptr_xi1_yi0 + cout * sizeof(int8_t)); + const int8_t in10 = *(in_ptr_xi0_yi1 + cout * sizeof(int8_t)); + const int8_t in11 = *(in_ptr_xi1_yi1 + cout * sizeof(int8_t)); + + float out0 = in00 * s00_s; + out0 += in01 * s01_s; + out0 += in10 * s10_s; + out0 += in11 * s11_s; + + // Rounding modes of vector and scalar loops should match +#if defined(__aarch64__) && !defined(BARE_METAL) + *(out_ptr_xo_yo + cout * sizeof(int8_t)) = static_cast<int8_t>(std::round(out0)); +#else // defined(__aarch64__) && !defined(BARE_METAL) + *(out_ptr_xo_yo + cout * sizeof(int8_t)) = static_cast<int8_t>(out0); +#endif // defined(__aarch64__) && !defined(BARE_METAL) + } + } + } + } + } + else + { + ARM_COMPUTE_ERROR("Not implemented"); + } +} + +void s16_neon_scale_nearest(const ITensor *src, + ITensor *dst, + const ITensor *offsets, + float sampling_offset, + bool align_corners, + const Window &window) +{ + const size_t in_stride_c = src->info()->dimension(0) + src->info()->padding().left + src->info()->padding().right; + const size_t in_stride_w = src->info()->dimension(1) + src->info()->padding().top + src->info()->padding().bottom; + const size_t in_stride_wc = in_stride_w * in_stride_c; + const size_t in_dim_h = src->info()->dimension(2); + + // Compute the ratio between source height and destination height + const auto hr = scale_utils::calculate_resize_ratio(in_dim_h, dst->info()->dimension(2), align_corners); + const auto window_start_x = static_cast<int32_t>(window.x().start()); + const auto window_end_x = static_cast<int32_t>(window.x().end()); + const int window_step_x = 8; + + Window win(window); + win.set(Window::DimX, Window::Dimension(0, 1, 1)); + Iterator out(dst, win); + + const uint8_t *in_ptr_start = src->buffer() + src->info()->offset_first_element_in_bytes(); + const unsigned int in_stride_bytes_hwc = src->info()->strides_in_bytes()[3]; + + execute_window_loop( + win, + [&](const Coordinates &id) + { + const int32_t offset = + *reinterpret_cast<const int32_t *>(offsets->ptr_to_element(Coordinates(id.y(), id.z()))) * in_stride_c; + const auto in_hi = static_cast<int>( + align_corners ? utils::rounding::round_half_away_from_zero((id.z() + sampling_offset) * hr) + : std::floor((id.z() + sampling_offset) * hr)); + const int offset_row = in_hi * in_stride_wc; + int32_t x = window_start_x; + const int16_t *in_ptr = reinterpret_cast<const int16_t *>(in_ptr_start + in_stride_bytes_hwc * id[3]); + + for (; x <= window_end_x - window_step_x; x += window_step_x) + { + wrapper::vstore(reinterpret_cast<int16_t *>(out.ptr()) + x, + wrapper::vloadq(in_ptr + offset + offset_row + x)); + } + for (; x < window_end_x; ++x) + { + *(reinterpret_cast<int16_t *>(out.ptr()) + x) = *(in_ptr + offset + offset_row + x); + } + }, + out); +} + +void s16_neon_scale_bilinear(const ITensor *src, + ITensor *dst, + const ITensor *offsets, + const ITensor *dx, + const ITensor *dy, + BorderMode border_mode, + PixelValue constant_border_value, + float sampling_offset, + bool align_corners, + const Window &window) +{ + // Compute the ratio between source height and destination height + const auto hr = + scale_utils::calculate_resize_ratio(src->info()->dimension(2), dst->info()->dimension(2), align_corners); + + Iterator out(dst, window); + const int in_stride_c = src->info()->dimension(0) + src->info()->padding().left + src->info()->padding().right; + const int in_dim_w = src->info()->dimension(1); + const int in_dim_h = src->info()->dimension(2); + const int in_stride_wc = in_stride_c * (in_dim_w + src->info()->padding().top + src->info()->padding().bottom); + + // Don't increment in Y and Z direction for the input tensor + // A pointer to the start of this plane is needed as base for the precomputed offsets + Window win_in(window); + win_in.set(Window::DimY, Window::Dimension(0, 0, 0)); + win_in.set(Window::DimZ, Window::Dimension(0, 0, 0)); + Iterator in(src, win_in); + + if (border_mode == BorderMode::CONSTANT) + { + const int16_t const_border_value = static_cast<int16_t>(constant_border_value.get<int16_t>()); + execute_window_loop( + window, + [&](const Coordinates &id) + { + const auto offset = + *reinterpret_cast<const int32_t *>(offsets->ptr_to_element(Coordinates(id.y(), id.z()))); + const auto dx_val = *reinterpret_cast<const float *>(dx->ptr_to_element(Coordinates(id.y(), id.z()))); + const auto dy_val = *reinterpret_cast<const float *>(dy->ptr_to_element(Coordinates(id.y(), id.z()))); + const int32_t in_hi = std::floor((id.z() + sampling_offset) * hr - sampling_offset); + const int16_t *in_ptr = + reinterpret_cast<const int16_t *>(in.ptr()) + offset * in_stride_c + in_hi * in_stride_wc; + + const auto a00 = + (0 <= offset && offset < in_dim_w && 0 <= in_hi && in_hi < in_dim_h) ? *in_ptr : const_border_value; + const auto a01 = (-1 <= offset && offset < in_dim_w - 1 && 0 <= in_hi && in_hi < in_dim_h) + ? *(in_ptr + in_stride_c) + : const_border_value; + const auto a10 = (0 <= offset && offset < in_dim_w && -1 <= in_hi && in_hi < in_dim_h - 1) + ? *(in_ptr + in_stride_wc) + : const_border_value; + const auto a11 = (-1 <= offset && offset < in_dim_w - 1 && -1 <= in_hi && in_hi < in_dim_h - 1) + ? *(in_ptr + in_stride_c + in_stride_wc) + : const_border_value; + + *reinterpret_cast<int16_t *>(out.ptr()) = + static_cast<int16_t>(scale_helpers::delta_bilinear(a00, a01, a10, a11, dx_val, dy_val)); + }, + in, out); + } + else if (border_mode == BorderMode::REPLICATE) + { + execute_window_loop( + window, + [&](const Coordinates &id) + { + const auto offset = + *reinterpret_cast<const int32_t *>(offsets->ptr_to_element(Coordinates(id.y(), id.z()))); + const auto dx_val = *reinterpret_cast<const float *>(dx->ptr_to_element(Coordinates(id.y(), id.z()))); + const auto dy_val = *reinterpret_cast<const float *>(dy->ptr_to_element(Coordinates(id.y(), id.z()))); + const int in_hi = std::floor((id.z() + sampling_offset) * hr - sampling_offset); + + const auto clamped_w = utility::clamp<int>(offset, 0, in_dim_w - 1); + const auto clamped_w1 = utility::clamp<int>(offset + 1, 0, in_dim_w - 1); + const auto clamped_h = utility::clamp<int>(in_hi, 0, in_dim_h - 1); + const auto clamped_h1 = utility::clamp<int>(in_hi + 1, 0, in_dim_h - 1); + + const auto a00 = + *(reinterpret_cast<const int16_t *>(in.ptr()) + clamped_w * in_stride_c + clamped_h * in_stride_wc); + const auto a01 = *(reinterpret_cast<const int16_t *>(in.ptr()) + clamped_w1 * in_stride_c + + clamped_h * in_stride_wc); + const auto a10 = *(reinterpret_cast<const int16_t *>(in.ptr()) + clamped_w * in_stride_c + + clamped_h1 * in_stride_wc); + const auto a11 = *(reinterpret_cast<const int16_t *>(in.ptr()) + clamped_w1 * in_stride_c + + clamped_h1 * in_stride_wc); + + *reinterpret_cast<int16_t *>(out.ptr()) = + static_cast<int16_t>(scale_helpers::delta_bilinear(a00, a01, a10, a11, dx_val, dy_val)); + }, + in, out); + } + else + { + ARM_COMPUTE_ERROR("Not implemented"); + } +} +} // namespace +namespace cpu +{ +void s8_neon_scale(const ITensor *src, + ITensor *dst, + const ITensor *offsets, + const ITensor *dx, + const ITensor *dy, + InterpolationPolicy policy, + BorderMode border_mode, + PixelValue constant_border_value, + float sampling_offset, + bool align_corners, + const Window &window) +{ + if (policy == InterpolationPolicy::BILINEAR) + { + s8_neon_scale_bilinear(src, dst, offsets, dx, dy, border_mode, constant_border_value, sampling_offset, + align_corners, window); + } + else + { + ARM_COMPUTE_ERROR("Not implemented"); + } +} + +void u8_neon_scale(const ITensor *src, + ITensor *dst, + const ITensor *offsets, + const ITensor *dx, + const ITensor *dy, + InterpolationPolicy policy, + BorderMode border_mode, + PixelValue constant_border_value, + float sampling_offset, + bool align_corners, + const Window &window) +{ + if (policy == InterpolationPolicy::BILINEAR) + { + u8_neon_scale_bilinear(src, dst, offsets, dx, dy, border_mode, constant_border_value, sampling_offset, + align_corners, window); + } + else if (policy == InterpolationPolicy::NEAREST_NEIGHBOR) + { + u8_neon_scale_nearest(src, dst, offsets, sampling_offset, align_corners, window); + } +} + +void s16_neon_scale(const ITensor *src, + ITensor *dst, + const ITensor *offsets, + const ITensor *dx, + const ITensor *dy, + InterpolationPolicy policy, + BorderMode border_mode, + PixelValue constant_border_value, + float sampling_offset, + bool align_corners, + const Window &window) +{ + if (policy == InterpolationPolicy::BILINEAR) + { + s16_neon_scale_bilinear(src, dst, offsets, dx, dy, border_mode, constant_border_value, sampling_offset, + align_corners, window); + } + else if (policy == InterpolationPolicy::NEAREST_NEIGHBOR) + { + s16_neon_scale_nearest(src, dst, offsets, sampling_offset, align_corners, window); + } +} +} // namespace cpu +} // namespace arm_compute |